What is used as the data link-layer MAC address that identifies each VAP on an AP?

As shown in the figure, it can be judged that 00e0-fc99-9999 is the specific host and MAC address learned by the switch through ARP. And the host has changed its IP address three times? () (Single-choice question)
10.137.217.21000e0-fc01-0203E1/0/0
10.2.2.100e0-fc99-9999Eth-Trunk 1
192.168.20.100e0-fc99-9999vlan100
10.0.0.100e0-fc99-9999vlan200

There are multiple route entries to the same destination network in the routing table. These routes are called? ()

Which of the following are not the characteristics of a small campus network? ()

On Huawei routers, what is the default value of the OSPF protocol internal routing priority? ()